278532148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 540546048

約数和(自身を除く): 262013900

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 71, 124, 142, 284, 527, 1054, 1207, 1861, 2108, 2201, 2414, 3722, 4402, 4828, 7444, 8804, 31637, 37417, 57691, 63274, 74834, 115382, 126548, 132131, 149668, 230764, 264262, 528524, 980747, 1961494, 2246227, 3922988, 4096061, 4492454, 8192122, 8984908, 16384244, 69633037, 139266074, 278532148]

約数ペア:

[(1, 278532148), (2, 139266074), (4, 69633037), (17, 16384244), (31, 8984908), (34, 8192122), (62, 4492454), (68, 4096061), (71, 3922988), (124, 2246227), (142, 1961494), (284, 980747), (527, 528524), (1054, 264262), (1207, 230764), (1861, 149668), (2108, 132131), (2201, 126548), (2414, 115382), (3722, 74834), (4402, 63274), (4828, 57691), (7444, 37417), (8804, 31637)]